Tickets are now on sale for Marvel Studios’ Avengers: Age of Ultron (get your tickets by clicking here!), but to make things just a bit more interesting, AMC Theaters, Regal Entertainment Group, Cinemark, Megaplex, Harkins and National Amusements theaters are planning “The Ultimate Marvel Marathon” featuring every single Marvel Studios film. Spanning over 27 hours, the event will begin on April 29 with Iron Man and conclude April 30 with Avengers: Age of Ultron. The schedule for AMC theaters will go as follows:

6:00pm IRON MAN

8:25pm THE INCREDIBLE HULK

10:35pm IRON MAN 2

1:00am THOR

3:10am CAPTAIN AMERICA: THE FIRST AVENGER

5:30am THE AVENGERS

8:48am IRON MAN 3

11:15am THOR: THE DARK WORLD

1:45pm CAPTAIN AMERICA: THE WINTER SOLDIER

4:20pm GUARDIANS OF THE GALAXY

7:00pm AVENGERS: AGE OF ULTRON (RealD® 3D)

Chains will also be doing an “Avengers” double feature of 2012’s The Avengers and Avengers: Age of Ultron as well. You can get your tickets for the event at AMC, Regal, and Cinemark, each featuring their own perks, by clicking the respective theater.